Support SHA-256 in public key pins for HTTPS.

net/base/cert_verify_proc_nss.cc

Index: net/base/cert_verify_proc_nss.cc
===================================================================
--- net/base/cert_verify_proc_nss.cc	(revision 141792)
+++ net/base/cert_verify_proc_nss.cc	(working copy)
@@ -4,6 +4,9 @@
 
 #include "net/base/cert_verify_proc_nss.h"
 
+#include <string>
+#include <vector>
+
 #include <cert.h>
 #include <nss.h>
 #include <prerror.h>
@@ -597,9 +600,10 @@
   return false;
 }
 
-SHA1Fingerprint CertPublicKeyHash(CERTCertificate* cert) {
-  SHA1Fingerprint hash;
-  SECStatus rv = HASH_HashBuf(HASH_AlgSHA1, hash.data,
+Fingerprint CertPublicKeyHash(CERTCertificate* cert) {
+  Fingerprint hash;
+  hash.tag = FINGERPRINT_SHA1;
+  SECStatus rv = HASH_HashBuf(HASH_AlgSHA1, hash.data(),
                               cert->derPublicKey.data, cert->derPublicKey.len);
   DCHECK_EQ(rv, SECSuccess);
   return hash;
@@ -607,7 +611,7 @@
 
 void AppendPublicKeyHashes(CERTCertList* cert_list,
                            CERTCertificate* root_cert,
-                           std::vector<SHA1Fingerprint>* hashes) {
+                           std::vector<Fingerprint>* hashes) {
   for (CERTCertListNode* node = CERT_LIST_HEAD(cert_list);
        !CERT_LIST_END(node, cert_list);
        node = CERT_LIST_NEXT(node)) {